[PATCH] D46648: [SimplifyLibcalls] Optimize string concats using s(n)printf

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

Yes, we can do anything if we prove the code has undefined behavior, but I'm not sure why we would prefer a call to strncat over "unreachable".


Repository:
  rL LLVM

https://reviews.llvm.org/D46648